There seems to be a bug in ACELP unvoiced (UC) frames decoding routine at https://forge.3gpp.org/rep/sa4/audio/ivas-basop/-/blob/main/lib_dec/dec_uv_fx.c#L260: ``` idiv1616( i_subfr_fx, L_SUBFR ); ``` When comparing the function `decod_unvoiced_ivas_fx()` to `decod_unvoiced_fx()`, it seems that the code should be ``` tmp_idx = idiv1616( i_subfr_fx, L_SUBFR ); ```